Nancy Drew's keen mind is tested when she searches for a missing will.

The prize for the pet show is missing. Jigsaw enters his dog Rags in the contest and has an idea to solve the case.

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.

Asked to locate a stolen necklace of unusual value, Nancy soon discovers that strange and dangerous people are responsible for the theft.

"A year after the Bayview four were cleared of Simon Kelleher's death, a new mystery has cropped up--a game with dangerous consequences that's targeting students at Bayview again. And if the creator isn't found soon, dangerous could prove deadly"-- Provided by publisher.

When the umpire at the baseball game fundraiser is accused of stealing a collection of autographed baseballs, Dink, Josh, and Ruth Rose try to prove his innocence.

A brass-bound trunk mistakenly delivered to Nancy's cabin on a New York-bound ocean liner becomes the first clue leading her to suspect that international jewel thieves are aboard.

The blatant acts of a lady swindler posing as Nancy Drew arouse the suspicion of friends and local police against the real Nancy.

Dink, Josh, and Ruth Rose investigate a mysterious man in black who Josh believes is a vampire.